The invention discloses a medicine for treating beriberi, which is characterized by comprising the following medicines by weight: 5-20g of talcum powder, 5-20g of calcined gypsum, 4-10g of dried alum and 1-3 aspirin tablets. As for efficacies of various traditional Chinese medicinal components in the traditional Chinese medicine for treating beriberi and the preparation method thereof, talcum powder has functions of clearing heat and excreting dampness and can be used for treating edema and beriberi, incised wound and blooding, scores and pyogenic infections; calcined gypsum which has functions of astringing dampness, healing score, promoting tissue regeneration and stopping blooding can be used for treating ulcer, eczema, pruritus and the like; dried alum has functions of eliminating dampness, stopping blooding and reducing phlegm, and is applicable to treatment of eczema and the like; aspirin tablet which has functions of diminishing inflammation, relieving pain, removing heat and resisting rheumatism is often used for resisting rheumatism, removing heat, relieving pain, diminishing inflammation and the like; therefore the four components takes effect together to achieve functions of dispelling wind and dampness, diminishing inflammation, killing bacteria, rapidly stopping blooding and promoting tissue regeneration. The medicine disclosed by the invention, compared with a conventional medicine for treating beriberi, is economical and practical, avoids expensive medical expense, and has better curative effect.